Craig A. Devroy

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Wauwatosa, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for acceleration and deceleration control of a...
- Patent number 5,170,863
- Issue date Dec 15, 1992
- Harnischfeger Engineers
- Craig A. Devroy
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method and apparatus for controlling the shuttle of a storage and r...
- Patent number 5,091,685
- Issue date Feb 25, 1992
- Harnischfeger Engineers, Inc.
- B. Chuck Sorensen
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Control system for a storage and retrieval machine
- Patent number 5,044,859
- Issue date Sep 3, 1991
- Harnischfeger Engineers, Inc.
- B. Chuck Sorensen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for controlling a storage and retrieval machine
- Patent number 4,967,130
- Issue date Oct 30, 1990
- Harnischfeger Engineers Inc.
- B. Chuck Sorensen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL